#contatti {
    border-top: 1px solid white;
    padding: 100px 0;
    background-image: url(img/strada.jpg);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center bottom;
    background-size: cover;
}

#indirizzi h4 {
    padding: 12px 16px;
    border: 4px solid white;
    background-color: rgb(4, 136, 85);
    box-shadow: 0 0 24px rgba(0, 0, 0, 0.3);
    color: white;
    text-align: center;
    font-size: 18px;
    text-transform: uppercase;
}

.small-separator {
    width: 200px;
    border-bottom: 1px solid silver;
    margin: 32px auto;
}

@media screen and (min-width: 520px) and (max-width: 980px) {
    .card-columns {
        column-count: 2;
    }
}

@media screen and (max-width: 480px) {
    .card-columns {
        column-count: 1;
    }
}